H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/278
H01H 33/46 (2006.01)
Patent
CA 1246644
ABSTRACT OF THE DISCLOSURE A mechanical interlock for a pair of vertically mounted circuit breakers, each circuit breaker having a trip latch mechanism for opening the circuit breaker and a mechanical contact position indicator for indicating the open or closed position of the circuit breaker with the interlock extending between the trip latch mechanism and contact position indicator mechanism of each circuit breaker. The interlock allowing only one circuit breaker to be closed at any time.
474241
Thomas Glenn R.
Wallace James B.
Oldham And Company
Westinghouse Electric Corporation
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